Comment 3 for bug 565592

this report has been filed here:

https://bugs.edge.launchpad.net/ubuntu/+source/poppler/+bug/565592

"When using the mouse to navigate through PDFs, it works great. But PgUp and PgDn sometimes doesn't work at all for some PDFs"

pdf is:

http://launchpadlibrarian.net/44626731/Barton2007.pdf

attached is the valgrind log